Check if AJAX response data is empty/blank/null/undefined/0

Question

What I have:

I have jQuery AJAX function that returns HTML after querying a database. Depending on the result of the query, the function will either return HTML co

Answer 1

$.ajax({
    type:"POST",
    url: "",
    data: associated_buildsorprojects_form,
    success:function(data){
        // do console.log(data);
        console.log(data);
        // you'll find that what exactly inside data 
        // I do not prefer alter(data); now because, it does not 
        // completes requirement all the time 
        // After that you can easily put if condition that you do not want like
        // if(data != '')
        // if(data == null)
        // or whatever you want 
    },
    error: function(errorThrown){
        alert(errorThrown);
        alert("There is an error with AJAX!");
    }               
});